1 files changed, 270 insertions, 0 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/controller/LeftController.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/controller/LeftController.java
new file mode 100644
index 00000000..d273f0b9
--- /dev/null
+++ b/subsonic-main/src/main/java/net/sourceforge/subsonic/controller/LeftController.java
@@ -0,0 +1,270 @@
+/*
+ This file is part of Subsonic.
+
+ Subsonic is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Subsonic is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Subsonic.  If not, see <http://www.gnu.org/licenses/>.
+
+ Copyright 2009 (C) Sindre Mehus
+ */
+package net.sourceforge.subsonic.controller;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.SortedMap;
+import java.util.SortedSet;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import net.sourceforge.subsonic.service.PlaylistService;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.mvc.LastModified;
+import org.springframework.web.servlet.mvc.ParameterizableViewController;
+import org.springframework.web.servlet.support.RequestContextUtils;
+
+import net.sourceforge.subsonic.Logger;
+import net.sourceforge.subsonic.domain.InternetRadio;
+import net.sourceforge.subsonic.domain.MediaFile;
+import net.sourceforge.subsonic.domain.MediaLibraryStatistics;
+import net.sourceforge.subsonic.domain.MusicFolder;
+import net.sourceforge.subsonic.domain.MusicIndex;
+import net.sourceforge.subsonic.domain.UserSettings;
+import net.sourceforge.subsonic.service.MediaFileService;
+import net.sourceforge.subsonic.service.MediaScannerService;
+import net.sourceforge.subsonic.service.MusicIndexService;
+import net.sourceforge.subsonic.service.PlayerService;
+import net.sourceforge.subsonic.service.SecurityService;
+import net.sourceforge.subsonic.service.SettingsService;
+import net.sourceforge.subsonic.util.FileUtil;
+import net.sourceforge.subsonic.util.StringUtil;
+
+/**
+ * Controller for the left index frame.
+ *
+ * @author Sindre Mehus
+ */
+public class LeftController extends ParameterizableViewController implements LastModified {
+
+    private static final Logger LOG = Logger.getLogger(LeftController.class);
+
+    // Update this time if you want to force a refresh in clients.
+    private static final Calendar LAST_COMPATIBILITY_TIME = Calendar.getInstance();
+    static {
+        LAST_COMPATIBILITY_TIME.set(2012, Calendar.MARCH, 6, 0, 0, 0);
+        LAST_COMPATIBILITY_TIME.set(Calendar.MILLISECOND, 0);
+    }
+
+    private MediaScannerService mediaScannerService;
+    private SettingsService settingsService;
+    private SecurityService securityService;
+    private MediaFileService mediaFileService;
+    private MusicIndexService musicIndexService;
+    private PlayerService playerService;
+    private PlaylistService playlistService;
+
+    public long getLastModified(HttpServletRequest request) {
+        saveSelectedMusicFolder(request);
+
+        if (mediaScannerService.isScanning()) {
+            return -1L;
+        }
+
+        long lastModified = LAST_COMPATIBILITY_TIME.getTimeInMillis();
+        String username = securityService.getCurrentUsername(request);
+
+        // When was settings last changed?
+        lastModified = Math.max(lastModified, settingsService.getSettingsChanged());
+
+        // When was music folder(s) on disk last changed?
+        List<MusicFolder> allMusicFolders = settingsService.getAllMusicFolders();
+        MusicFolder selectedMusicFolder = getSelectedMusicFolder(request);
+        if (selectedMusicFolder != null) {
+            File file = selectedMusicFolder.getPath();
+            lastModified = Math.max(lastModified, FileUtil.lastModified(file));
+        } else {
+            for (MusicFolder musicFolder : allMusicFolders) {
+                File file = musicFolder.getPath();
+                lastModified = Math.max(lastModified, FileUtil.lastModified(file));
+            }
+        }
+
+        // When was music folder table last changed?
+        for (MusicFolder musicFolder : allMusicFolders) {
+            lastModified = Math.max(lastModified, musicFolder.getChanged().getTime());
+        }
+
+        // When was internet radio table last changed?
+        for (InternetRadio internetRadio : settingsService.getAllInternetRadios()) {
+            lastModified = Math.max(lastModified, internetRadio.getChanged().getTime());
+        }
+
+        // When was user settings last changed?
+        UserSettings userSettings = settingsService.getUserSettings(username);
+        lastModified = Math.max(lastModified, userSettings.getChanged().getTime());
+
+        return lastModified;
+    }
+
+    @Override
+    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {
+        saveSelectedMusicFolder(request);
+        Map<String, Object> map = new HashMap<String, Object>();
+
+        MediaLibraryStatistics statistics = mediaScannerService.getStatistics();
+        Locale locale = RequestContextUtils.getLocale(request);
+
+        String username = securityService.getCurrentUsername(request);
+        List<MusicFolder> allMusicFolders = settingsService.getAllMusicFolders();
+        MusicFolder selectedMusicFolder = getSelectedMusicFolder(request);
+        List<MusicFolder> musicFoldersToUse = selectedMusicFolder == null ? allMusicFolders : Arrays.asList(selectedMusicFolder);
+        String[] shortcuts = settingsService.getShortcutsAsArray();
+        UserSettings userSettings = settingsService.getUserSettings(username);
+
+        MusicFolderContent musicFolderContent = getMusicFolderContent(musicFoldersToUse);
+
+        map.put("player", playerService.getPlayer(request, response));
+        map.put("scanning", mediaScannerService.isScanning());
+        map.put("musicFolders", allMusicFolders);
+        map.put("selectedMusicFolder", selectedMusicFolder);
+        map.put("radios", settingsService.getAllInternetRadios());
+        map.put("shortcuts", getShortcuts(musicFoldersToUse, shortcuts));
+        map.put("captionCutoff", userSettings.getMainVisibility().getCaptionCutoff());
+        map.put("partyMode", userSettings.isPartyModeEnabled());
+        map.put("organizeByFolderStructure", settingsService.isOrganizeByFolderStructure());
+
+        if (statistics != null) {
+            map.put("statistics", statistics);
+            long bytes = statistics.getTotalLengthInBytes();
+            long hours = statistics.getTotalDurationInSeconds() / 3600L;
+            map.put("hours", hours);
+            map.put("bytes", StringUtil.formatBytes(bytes, locale));
+        }
+
+        map.put("indexedArtists", musicFolderContent.getIndexedArtists());
+        map.put("singleSongs", musicFolderContent.getSingleSongs());
+        map.put("indexes", musicFolderContent.getIndexedArtists().keySet());
+        map.put("user", securityService.getCurrentUser(request));
+
+        ModelAndView result = super.handleRequestInternal(request, response);
+        result.addObject("model", map);
+        return result;
+    }
+
+    private void saveSelectedMusicFolder(HttpServletRequest request) {
+        if (request.getParameter("musicFolderId") == null) {
+            return;
+        }
+        int musicFolderId = Integer.parseInt(request.getParameter("musicFolderId"));
+
+        // Note: UserSettings.setChanged() is intentionally not called. This would break browser caching
+        // of the left frame.
+        UserSettings settings = settingsService.getUserSettings(securityService.getCurrentUsername(request));
+        settings.setSelectedMusicFolderId(musicFolderId);
+        settingsService.updateUserSettings(settings);
+    }
+
+    /**
+     * Returns the selected music folder, or <code>null</code> if all music folders should be displayed.
+     */
+    private MusicFolder getSelectedMusicFolder(HttpServletRequest request) {
+        UserSettings settings = settingsService.getUserSettings(securityService.getCurrentUsername(request));
+        int musicFolderId = settings.getSelectedMusicFolderId();
+
+        return settingsService.getMusicFolderById(musicFolderId);
+    }
+
+    protected List<MediaFile> getSingleSongs(List<MusicFolder> folders) throws IOException {
+        List<MediaFile> result = new ArrayList<MediaFile>();
+        for (MusicFolder folder : folders) {
+            MediaFile parent = mediaFileService.getMediaFile(folder.getPath(), true);
+            result.addAll(mediaFileService.getChildrenOf(parent, true, false, true, true));
+        }
+        return result;
+    }
+
+    public List<MediaFile> getShortcuts(List<MusicFolder> musicFoldersToUse, String[] shortcuts) {
+        List<MediaFile> result = new ArrayList<MediaFile>();
+
+        for (String shortcut : shortcuts) {
+            for (MusicFolder musicFolder : musicFoldersToUse) {
+                File file = new File(musicFolder.getPath(), shortcut);
+                if (FileUtil.exists(file)) {
+                    result.add(mediaFileService.getMediaFile(file, true));
+                }
+            }
+        }
+
+        return result;
+    }
+
+    public MusicFolderContent getMusicFolderContent(List<MusicFolder> musicFoldersToUse) throws Exception {
+        SortedMap<MusicIndex, SortedSet<MusicIndex.Artist>> indexedArtists = musicIndexService.getIndexedArtists(musicFoldersToUse);
+        List<MediaFile> singleSongs = getSingleSongs(musicFoldersToUse);
+        return new MusicFolderContent(indexedArtists, singleSongs);
+    }
+
+    public void setMediaScannerService(MediaScannerService mediaScannerService) {
+        this.mediaScannerService = mediaScannerService;
+    }
+
+    public void setSettingsService(SettingsService settingsService) {
+        this.settingsService = settingsService;
+    }
+
+    public void setSecurityService(SecurityService securityService) {
+        this.securityService = securityService;
+    }
+
+    public void setMediaFileService(MediaFileService mediaFileService) {
+        this.mediaFileService = mediaFileService;
+    }
+
+    public void setMusicIndexService(MusicIndexService musicIndexService) {
+        this.musicIndexService = musicIndexService;
+    }
+
+    public void setPlayerService(PlayerService playerService) {
+        this.playerService = playerService;
+    }
+
+    public void setPlaylistService(PlaylistService playlistService) {
+        this.playlistService = playlistService;
+    }
+
+    public static class MusicFolderContent {
+
+        private final SortedMap<MusicIndex, SortedSet<MusicIndex.Artist>> indexedArtists;
+        private final List<MediaFile> singleSongs;
+
+        public MusicFolderContent(SortedMap<MusicIndex, SortedSet<MusicIndex.Artist>> indexedArtists, List<MediaFile> singleSongs) {
+            this.indexedArtists = indexedArtists;
+            this.singleSongs = singleSongs;
+        }
+
+        public SortedMap<MusicIndex, SortedSet<MusicIndex.Artist>> getIndexedArtists() {
+            return indexedArtists;
+        }
+
+        public List<MediaFile> getSingleSongs() {
+            return singleSongs;
+        }
+
+    }
+}